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Multiple Choice
Which of the following best describes a genome?
A
A structure composed of proteins and DNA that carries genetic information
B
A segment of DNA that codes for a specific protein
C
A single, linear or circular DNA molecule containing many genes
D
The complete set of genetic material present in an organism
Verified step by step guidance
1
Understand the term 'genome' as it relates to genetics: it refers to the entire set of genetic material in an organism, including all of its DNA.
Differentiate between related terms: a 'gene' is a segment of DNA that codes for a specific protein, while a 'chromosome' is a single DNA molecule (linear or circular) that contains many genes.
Recognize that a structure composed of proteins and DNA that carries genetic information refers to chromatin or chromosomes, not the genome as a whole.
Recall that the genome encompasses all chromosomes and all genetic material, not just a part or a single molecule.
Conclude that the best description of a genome is 'The complete set of genetic material present in an organism,' as it includes all DNA sequences within that organism.